2018 head-to-head · Midsize Car

2018 Bentley Flying Spur vs Cadillac CTS-V

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$3,703/ year to fuel
16 MPG
✓ Cheaper to run
$3,485/ year to fuel
17 MPG

RWD · 6.2L 8-cyl supercharged · 8-speed automatic · 17 MPG

The 2018 Cadillac CTS-V is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,485 a year to fuel (17 MPG), versus $3,703 for the 2018 Bentley Flying Spur (16 MPG). That's roughly $218 a year, or about $1,089 over five years.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Bentley Flying Spur
  • Cadillac CTS-V

Side by side

Bentley Flying SpurCadillac CTS-V
$3,703 Your annual fuel cost $3,485
16 MPG Combined efficiency 17 MPG
13 MPG City 14 MPG
22 MPG Highway 21 MPG
102 cu ft Passenger volume 97 cu ft
13 cu ft Cargo volume 13 cu ft
568 g/mi Tailpipe CO₂ (g/mi) 530 g/mi
2/10 EPA fuel economy score 3/10
2/10 EPA greenhouse gas score 3/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
4.0L 8-cyl turbo Engine / motor 6.2L 8-cyl supercharged
8-speed automatic Transmission 8-speed automatic
AWD Drivetrain RWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

Bentley Flying Spur vs Cadillac CTS-V across model years

  • Bentley Flying Spur
  • Cadillac CTS-V

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Per EPA interior volume figures, the Bentley Flying Spur has more passenger space (102 vs. 97 cu ft).

Among 74 2018 midsize cars, the Bentley Flying Spur ranks 71st and the Cadillac CTS-V 70th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2018 Bentley Flying Spur or the 2018 Cadillac CTS-V?

Measured by cost to drive, the Cadillac CTS-V. The Bentley Flying Spur is rated 16 MPG combined and the Cadillac CTS-V 17 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2018 Bentley Flying Spur vs. the Cadillac CTS-V per year?

At 15,000 miles a year with $3.95/gal premium gas, about $3,703 for the Bentley Flying Spur and $3,485 for the Cadillac CTS-V.

More 2018 comparisons

Or compare the 2018 Bentley Flying Spur with anything else:

Keep exploring